If you have doubts, you could always ask a professional designer to go over your kitchen space and make a recommendation or, if you want to save money, you could visit friends who have a kitchen islands and make the necessary comparison. Moreover, you can choose for your kitchen island to be in an L, U, or a G shape.
Maximize natural light by having windows and skylights, and keep kitchen wall surfaces light in color to reflect daylight. Custom kitchen islands work great by using pendant or recessed fixtures to direct light onto the kitchen island and other work areas. Electrical codes will likely require that electrical outlets be located on the sides of fixed kitchen islands, not on the top, to prevent electrical shock.
Pick a countertop for your island that matches your other counters or make it stand out by using a contrasting material. Also, your choice of cabinetry and decorative elements can make your island into a real quality item, similar to a fine furniture piece.
Use custom kitchen islands ideas to help you know how to create an attractive area that will perform a variety of useful functions. Designed correctly, kitchen islands will make your work area more functional and efficient and will be enjoyed by everyone for many years. Read as many kitchen island ideas as you can on using an island to improve the functionality and comfort in your kitchen -- after all, your kitchen is most likely the most popular room in the house.